If the minus sign were not in Faraday's law it would lead to a violation of the law of conservation of energy
Indicate whether the statement is true or false
TRUE
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Spectral Series: What is the longest wavelength in the Balmer series?
A. 240 nm B. 328 nm C. 365 nm D. 656 nm E. 820 nm
A wiggle in both space and time is a
A) vibration. B) wave. C) both of these D) neither of these
Light of wavelength 687 nm is incident on a single slit 0.75 mm wide. At what distance from the slit should a screen be placed if the second dark fringe in the diffraction pattern is to be 1.7 mm from the center of the diffraction pattern?
A) 1.1 m B) 1.9 m C) 0.93 m D) 0.47 m E) 0.39 m
Fireworks go off at the same time according to Earth clocks in two cities, Alum and Boron, that are 300 km apart. The people in a spaceship that is flying in a straight line from Alum to Boron at 0.80 c also observe the fireworks. Do they see the fireworks in the two cities simultaneously? If the people in the spaceship say the fireworks were not simultaneous in Alum and Boron, how long before or
after the fireworks flashed at Alum did the fireworks flash at Boron according to their calculations? (The spaceship is directly over Alum when the fireworks flash.) a. Yes; 0 b. Before; 1.0 × 10^-3 s c. After; 1.0 × 10^-3 s d. Before; 1.3 × 10^-3 s e. After; 1.3 × 10^-3 s